ul,li{
    list-style: none;
}
ul{
    padding: 0;
    margin: 0;
}
.main{
    font-size: 12px;
    background: #333744;
    background-repeat: repeat-x;
    width: 200px;
}
li{
    background: #333744;
}
a{
    text-decoration: none;
    width: 150px;
    display: block;
    padding-top: 6px ;
    padding-bottom: 6px;
}
.main a{
    color: #eeeeee;
    background-image: url("image/jiantou.png");
    /*background-size：cover;*/
    background-repeat: no-repeat;
    background-position: 150px center;
}
.main li a{
    background-image: none;
}
.main ul{
    display: none;
}